Engine Immobiliser System (W/ Smart Key System) Id Code Box Power Source Circuit

Vehicle Interior. Corolla. Zre142 Aze141
Theft Deterrent Keyless Entry. Corolla. Zre142 Aze141

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK HARNESS AND CONNECTOR (ID CODE BOX - BATTERY)

CHECK HARNESS AND CONNECTOR (ID CODE BOX - BODY GROUND)

ENGINE IMMOBILISER SYSTEM (w/ Smart Key System) - ID Code Box Power Source Circuit


DESCRIPTION

This circuit provides power to operate the ID code box (immobiliser code ECU).

WIRING DIAGRAM


Corolla. Zre142 Aze141.Theft Deterrent Keyless Entry.Smart Key System (For Entry Function).Engine Immobiliser System (W/ Smart Key System)  Id Code Box Power Source Circuit


INSPECTION PROCEDURE

NOTICE:
If the ID code box (immobiliser code ECU) is replaced, register the ECU code and ECU communication ID (COROLLA_ZRE142 RM000000QYF05AX.html).
1.CHECK HARNESS AND CONNECTOR (ID CODE BOX - BATTERY)


    Corolla. Zre142 Aze141.Theft Deterrent Keyless Entry.Smart Key System (For Entry Function).Engine Immobiliser System (W/ Smart Key System)  Id Code Box Power Source Circuit
  1. Disconnect the ID code box (immobiliser code ECU) connector.

  1. Measure the voltage according to the value(s) in the table below.

    Standard Voltage:
    Tester Connection
    Condition
    Specified Condition
    E22-1 (+B) - Body ground
    Always
    11 to 14 V


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR, OR REPLACE FUSE
OK


2.CHECK HARNESS AND CONNECTOR (ID CODE BOX - BODY GROUND)


    Corolla. Zre142 Aze141.Theft Deterrent Keyless Entry.Smart Key System (For Entry Function).Engine Immobiliser System (W/ Smart Key System)  Id Code Box Power Source Circuit
  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    Tester Connection
    Condition
    Specified Condition
    E22-8 (GND) - Body ground
    Always
    Below 1 Ω


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE (COROLLA_ZRE142 RM0000027KK057X.html)